Foldable bicycle frame



FIG. 1 is a perspective view of a foldable bicycle frame showing my newdesign;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view showing the foldable bicycle frame of FIG.1 being assembled on a foldable bicycle;

FIG. 9 is a perspective view of a foldable bicycle frame showing anotherembodiment of my design;

FIG. 10 is a front elevational view thereof;

FIG. 11 is a rear elevational view thereof;

FIG. 12 is a left side view thereof;

FIG. 13 is a right side view thereof;

FIG. 14 is a top plan view thereof;

FIG. 15 is a bottom plan view thereof; and,

FIG. 16 is a perspective view showing the foldable bicycle frame of FIG.9 being assembled on a foldable bicycle.

The broken line showing of the foldable bicycle in FIGS. 8 and 16 is forthe purpose of illustrating environmental structure only and forms nopart of the claimed design.

The ornamental design for a foldable bicycle frame, as shown anddescribed.